Muffler cut-out.



I. STANLEY.

MUFFLER CUT-OUT.

APPLICATION HLED JULY 19. 1916.

Patented May 22 1917.

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LSTANLEY. MUFFLER CUT-OUT. APPLICATION FILED lULY 19. 1916.

1,227,212. Patented May 2 2, 1917.

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' of the drawings.

fl TE o icn nvnve STANLEY, on NEW YORK, 1v. 7

MUFFLER CUT-OUT To all whom it play, concern. v

Be it known that I, IRVING STANLEY, a citizen of the United States,residing at New York, in the county of New York and State of New York,have invented certain new and useful Improvements in Muffler Cut- Outs,of which the following is a specification. a

This invention relates .to muffler cutouts for gas engines, such asthose commonly used with automobiles, although it is well adapted forall classes of gas engines where a muffler cutout is desirable, theobject of the invention being to provide a simple, comparativelyinexpensive, durable and re liable as well as effective muffler cutoutwhich can be readily and quickly applied to the exhaust pipe of the gasengine thereby to interrupt the passage of the exhaust gases from theengine through the muffler and permit the same to pass into theatmosphere without passing through the muffler or to permit the same'topass into the muffler without the choking thereof.

In the drawings accompanying and forming part of this specification,Figurel is a top view of the present improvement; Fig.2 is alongitudinal sectional view taken in line 2-2, Fig. 3; Fig. 3 is across-sectional view taken in line 3-3, Fig. 2, the dotted linesillustrating the open position of the cutout; Fig. 4 is a detailsectional view taken in line 4l, Fig. 3, looking in the direction of thearrow; and Figs. 5' and 6 are side and end views of another form of thisimproved muffler cutout in which a pluralityof enlarged chambers areshown.

Similar characters ofreference indicate corresponding parts in thedifferent figures 5 forming an enlarged chamber 6 shown materiallylarger in diameter than the'diameter of the exhaust pipe, and one part.or member of this chamber, as 7, is rigidly (clamped by me ns f s ee e8 and. clamp ng bol 9 Specification of'Letters Patent. I

form thereof herein Iatented May 22, 1 917.

Application filed. J'u ly ia e e. s r iir imazs. 7

upon one of the ends of the pipe, it being shown in the present instanceas being clampedtothat section of the pipe, as 3,

I leadingrto the muffler, whereby this part of the inufiler cutout isrigid with the pipe.

7 Ihe other member 7" the muffler cutout is mounted for rotary movementrelatively to the member 7, and for this purpose the sleeved end 10thereofeis supported by a bush ng or sleeve l l 'likewise bolted by abolt l2'to that section of thepipe, as 2, leading from the engine, themember 7" being rotatable upon this sleeve, and for which purpose thesleeve is recessed at at 13 to have a part thereof, as 14, fit thesleeved end 10 of the cutout part 7; The fixed muffler 1n e mb.e r 7andfthe sleeve 11 are each pro- ,vided with a, flange or collar 15against which the ends of the pipe sections 2 and 3 fit, these flangesor collars l5forming an opening or passage of substantially the samediameter as the pipe sections 2 and 3,]whereby tight engagements ofthepipes with the muffler cutout part 7 and sleeve 11 are obtained and asimilar tight engagement between the jsleeved end 10 "of the mufflerpart a v v 7 the sleeve ll is also obtained by reason of the annularrecess 13 hereinbefore referred to. Each of the muffler members or parts7 and 7 is provided with a depending wall 16 and 16, through whichextends a slotted bolt or ,pin 17 threaded into the depending wall 1,6,which pin or bolt is in axial alinement with the rotary axis of themuffler part 7 upon the sleeve of that part of thepipe'leadin'g from theengine. These 7 7 depending walls 16 and '16 form a baffle plate ,andcompel the exhaust gases 'to pass from the p ipe'2 to the pipe 3 whenthe cut out is closed substantially as showll Fig.

2, and when the cutou tvis open this baffle I plate deflects thegasessothat they will more effectively pass into the. open air and 'thusprevent any appreciable part thereof from passing to the muffler. a

Any suitable means may be used for swinging the muffler cutout part 7In" the, present instance a rod or wire 18,1s

shown connected with a lug 19 secured to ice the 'mufflercutout part 7"which may lead V to any suitable operating device, as a pedal orotherwise whereby the mulller part7.

may heqrotated upon itsflaxis relatively to the fixed part 7 thereby tointerrupt the llf) communicating passage tothemufller Pent-fift s exhausg ses t0 reesl nt he i atmosphere without passing through the muffler.For returning the shiftable part 7 to its closed position a suitablespring may be used, and in the present instance a coiled spring 20 hasone end secured in a slot 21 of the bolt or pin 17 hereinbefore referredto while the other end is secured to a bolt 22 threaded into thedepending wall 16 of the fixed part of the muffler cutout, so that whenthe rotary part of the muffler cutout is swung open it will rotate uponthe sleeve secured to that section of the pipe leading from the engineand tighten the spring so that when the cutout is released the springwill return to its normal position.

Any suitable means may be used for maintaining the meeting edges of theparts 7 and 7 of the muffler cutout in gas-tight engagement, such as byforming one of those edges inclined relatively to the other. In thepresent instance the fixed part 7 is provided with a depending L-shapedportion 23 having bolted thereto an upwardly extending member 24 forminga recess 25 for a depending lip 26 of the shiftable member 7, and thislip is provided with an inclined or curved surface 27 forming a camsurface adapted to cooperate with the straight surface 28 of the member24, whereby when the spring returns the movable member to its closedposition the coacting cam surfaces will wedge the two members inrelatively tight engagement.

For properly maintaining the two parts in juxtaposition the fixed part 7and the sleeve 11 are provided with a pair of laterally extending ears29 for the reception of a pair of bolts 30 and suitable castellated nuts31, and on each of these bolts and between its nut and one of the earsis located a spring 32 whereby the two parts of the cutout will besufliciently tightly held together while permitting rotary movement ofone of the parts thereof. By means of this arrangement differenttensions may be obtained upon the two cutout parts, and when the desiredtension is obtained by the adjustment of the castellated nuts to pressor release the spring as the case may be then suitable pins or cotterpins38 may be inserted to maintain this tension, and which pins will ofcourse prevent the nuts from workin loose. By forming the two parts 7and 7 in the manner shown in Fig. 2, with the diameter thereofmaterially enlarged, it will be observed that the exhaust gases have anopportunity to expand within the chamber 6 of the cutout before passingto the muffler, so that any choking action of the gases is avoided whileat the same tnne when the rotary part 7 is swung into the dotted lineposition shown in Fig. 3

this enlargedchamber of the cutout provides a relatively large openingfor the quick and immediate passage of the exhaust gases from theengine.

In the form of the invention shown in Figs. 5 and 6 the cutout,constructed in substantially the same manner hereinbefore described, isprovided with a pair of enlarged portions or chambers 6 and 6 instead ofone chamber 6 as shown in Fig. 3. In other Words. instead of the singledepending enlarged chamber shown in Fig. 3 the cutout is provided with asimilar large portion diametrically opposite to that shown in Fig. 3,the construction and mode of operation being otherwise the same ifdesired. Figs. 5 and 6 are therefore merely illustrative of the factthat a plurality of enlarged portions may be provided if desired. Inpractice a suitable stop 35 is provided carried by the fixed part 7 andagainst which the swinging part of the cut out engages to limit theclosing movement of the latter.

From the foregoing it will. be observed that I have provided an improvedcutout having one or more enlargedchambers as pipe, and which chamber orchambers are formed by a casting consisting of a fixed. member and arotary member rotatable on the pipe relatively to the fixed membereither to cutout the muffler or open communication from the enginetherewith, together with suitable means for maintaining the two parts inproper tensioned relation with each other and for returning the swingingpart to its closed position, and for wedging such parts in such closedposition. It will be understood that the various details may be more orless changed without departing from the spirit and scope of the presentimprovement.

I claim as my invention:

1. The comli ination with an exhaust pipe having a pair of spaced ends,of a muffler cutout comprising a two-part casing having one part fixedrelatively to one of said ends and the other part rotatable relativelyto the other end and to said fixed part there by to open or closecommunication between said ends.

2. The combination with an exhaust pipe having a pair of spaced ends, ofa muffler cutout comprising a two-part casing having one part fixedrelatively to one of said ends and the other part rotatable relativelyto the other end and to said fixed part there by to open or closecommunication between said ends, means for rotating said rotatable part,and means for returning it to its normal position.

3. The combination with an exhaust pipe having a pair of spaced ends, ofa muffler cutout comprising a two-part casing having one part fixedrelatively to one of said ends and the other part rotatable relativelyto the other end and to said fixed part thereby to open orclosecommunication between said ends, means for rotating said rotatable part,and means for returning it to its normal position, said last meanscomprising a spring.

at. The combination with an exhaustpipe having a pair of spaced ends, ofa muffler cutout comprising a two-part casing having one part fixedrelatively to one of said ends and the other part rotatable relativelyto the other end and to said fixed part thereby to open or closecommunication between said ends, means for rotating said rotatable part,and means for returning it to its normal position, said last meanscomprising a spring connected with said casing parts.

5. The combination with an exhaust pipe having a pair of spaced ends, ofa mufller cutout comprising a two-part casing having one part fixedrelatively to one of said ends and the other part rotatable relativelyto the other end and to said fixed part thereby to open or closecommunication between said ends, means for rotating one of said partsrelatively to the other, means for returning said rotatable part to itsnormal position, and means for wedging the said parts in closed positionrelatively to each other.

6. The combination with an exhaust pipe having a pair of spaced ends, ofa muffler cutout comprising a two-part casing having one part fixedrelatively to one of said ends and the other part rotatable relativelyto the other end and to said fixed part thereby to open, or closecommunication between said ends, means for rotating one of said partsrelatively to the other, means for returning said rotatable part to itsnormal position, and means for wedging the said parts in closed positionrelatively toeach other and comprising cam surfaces carried by saidcasing parts.

7 The combination with an exhaust pipe having a pair of spaced ends, ofa muffler cutout comprising a two-part casing having one part fixedrelatively to one of said ends and the other part rotatable relativelyto the other end and to said fixed part thereby to open or closecommunication between saidends, and means for maintaining said casingparts in tensioned relation to each other. i

8. The combination with an exhaust pipe having a pair of spaced ends, ofa muffler cutout comprising a two-part casing having one part fixedrelatively to one of said ends and the other part rotatable relativelyto the other end and to said fixed part thereby to open or closecommunication between said ends, and means comprising a spring forreturning the rotatable part to its closed position. i

9. The combination with an exhaust pipe relatively 1 having a pair ofspacedends, of a mufiier cutout comprising a two-part casing havlng onepart fixed relatively to one of said ends and the other part rotatablerelatively tothe other end and to said fixed part thereby to open orclose communication between said ends, and means for wedging said casingparts when in their normal closed position.

10. The combination with anexhaust pipe said ends, means for maintainingsaid casing parts in tensioned relation relatively to each other, meansfor returning the rotary part to its normal closed position, and meansfor wedging said parts in such closed position. 11. The combination withan exhaust pipe having a pair of spaced ends, of a mufiler cutoutcomprising a two-part casing having one part fixed relatively to one ofsaid ends and the other part rotatable relatively to the other end andto said fixed part thereby to open or close communication between saidends, said casing having one or more enlarged chambers. v Y 1 12. Thecombination with an exhaust pipe having a pair of spaced ends, of amuffler cutout comprising a two-part casing having one part fixedrelatively to one of said ends and the other part rotatable relativelyto the other end and to said fixed part thereby to open or closecommunication between said ends, said casinghaving one ormore enlargedchambers, and tensioned means for maintaining said parts injuxtaposition.

18. The combination with an exhaust pipe having a pair of spaced ends,of a muffler cutout comprising a two-part casing having one part fixedrelatively to one of said ends .and the other part rotatable relativelyto the other end and to said fixed part thereby to,

open or close communication between said ends, said casing having one ormore enlarged chambers, and means for returning the rotary part toitsclosed position.

1%. The combination with an exhaust pipe having a pair of spaced ends,of a muffler cutoutcomprising a two-part casing having one part fixed.relatively'to one of said ends and the other part-"rotatable relatively'to the other endand to said fixed part thereby to open or closecommunication between said ends, said casing having: one or more en- Ylarged chambers, and means for wedging said parts in relatively'tightengagement.

15. The combination with an exhaust pipe having a pair of spaced ends,of a muffler cutout comprising a two-part casing having one part fixedrelatively to one ofsaid ends and the other part rotatable relatively tothe other end and to said fixed part thereby to open or closecommunication between said ends, said casing having one or more enlargedchambers, tensioned means for maintaining said parts in juxtaposition,tensioned means for returning the rotary part to its normal position,and cam surfaces for wedging said parts in their closed position.

16. The combination with an exhaust pipe having a pair of spaced ends,of a muffler cutout comprising a two-part casing having one part fixedrelatively to one of said ends and the other part rotatable relativelyto the other end and to said fixed part thereby to open or closecommunicationbetween said ends, said casing having one or more enlargedchambers, tensioned means "for maintaining said parts in juxtaposition,tensioned means for returning the rotary part to its normal position,cam surfaces for wedging said parts in their closed position, and meansconnected with the rotary part for rotating it relatively to the fixedpart and on its pipe section.

17. A cutout for a muffler comprising a two-part casing, one partadapted to be fixedly attached to a pipe section and the other partrotatable on a pipe section thereby to open or close communicationbetween the pipe sections.

18. A cutout for a muffler comprising a two-part casing, one partadapted to be fixedly attached to a pipe section and the other partrotatable on a pipe section thereby to open or close communicationbetween the pipe sections, said muffler cutout comprising a chamber ofgreater diameter than that of the pipe sections adjacent thereto.

19. A cutout for a muffler comprising a two-part casing, one partadapted to be fixedly attached to a pipe section and the other partrotatable on a pipe section thereby to open or close communicationbetween the pipe sections, said muffler cutout comprising a chamberprovided with a pair of sleeved ends, having greater diameter than thatof said sleeved ends.

20. A cutout for a muffler comprising a two-part casing, one partadapted to be fixedly attached to a pipe section and the other partrotatable on a pipe section thereby to open or close communicationbetween the pipe sections, said muffler cutout comprising a chamberhaving greater diameter than that of said pipe sections adjacent theretoand provided with a pair of inwardly extending walls and means carriedthereby for returning the rotary section relatively to the othersection.

21. A cutout for a muflier comprising a two-part casing, one partadapted to be fixedly attached to a'pipe section and the other partrotatable on a pipe section thereby to open or close communicationbetween the pipe sections,said muffler cutout comprising a chamberhaving greater diameter than that of said pipe sectionsadjacent theretoand provided with a pair of inwardly extending walls, means carriedthereby for returning the rotary section relatively to the othersection, and wedging means carried exteriorly of the chamber for wedgingone part in juxtaposition to the other.

22. The combination With a pair of spaced pipe sections, of a mulilercutout comprising an enlarged chamber consisting of a fixed part havinga sleeve for attachment to one of said pipe sections and a rotary parthaving a sleeved end, a sleeve rigidly attached to the other pipesection for the reception of such sleeved end, said chamber parts havingprojecting walls, a spring carried thereby for returning the rotary partto its normal closed position, means carried by the chamber for Wedgingsaid parts in their closed position, and means carried by the fixed partand by said sleeve for maintalnmg said parts in tensioned relationrelatively to each other.

23. A mull'ler cutout comprlsing a casing having a plurality of enlargedchambers, said casing comprising a fixed part and a rotary part, thelatter rotatable simultaneously to open all the said chambers intocommunication with the muffler, or simultaneously to close suchcommunications.

24. A muffler cutout comprising a casing having a plurality of enlargedchambers, said casing comprising a fixed part and a rotary part, andmeans for returning the rotary part to its normal position, the latterrotatable simultaneously to open all the said chambers intocommunication With the muffler, or simultaneously to close suchcommunications.

25. A muffler cutout comprising a casing having a plurality of enlargedchambers, said casing comprising a fixed part and a rotary part, meansfor returning the rotary part to its normal position, and means forwedging the parts in closed position.

26. A mufiier cutout comprising a casing having a plurality of enlargedchambers, said casing comprising a fixed part and a rotary part, meansfor returning the rotary part to its normal position, means forWedgingthe parts in closed position,.and means for maintaining saidparts in tensioned relation relatively to each other. I

27. A mufller cutout comprising a casing having a plurality of enlargedchambers, said casing comprising a fixed part and a rotary part, meansfor returning the rotary part to its normal position, means for Wedgingthe parts in closed position, and means for maintaining said parts intensioned relation relatively to each other, one of said partsconstructed to be fixedly attached to.

one pipe section and the other to rotate n another pipe section.

28. The combination with an exhaust pipe having a pair of spaced ends,of a muffler cutout comprising a part rotatable on one of said endsrelatively to the other end thereby to open or close communicationbetween said ends, the axis of the rotatable part being the same as theaxisof the pipe.

29. The combination with an exhaust pipe having a pair of spaced ends,of a mufiier cutout comprisinga part rotatable on one of said endsrelatively to the other end thereby to open or close communicationbetween said ends, theaxis of the rotatable part being the same as theaxis of the pipe, said cutout having a projecting wall between thespaced ends.

30. The combination with an exhaust pipe having a pair of spaced ends,of a muffler cutout comprising a two-part casing having one part fixedrelatively to one of said ends copies of this patent may be obtained forand the other part rotatable relatively to the other end and to saidfixed part thereby to open or close communication between said ends,said casing having a projecting wall between the spaced ends.

31. The combination with an exhaust pipe having a pair of spaced ends,of a mufller cutout comprising a two-part casing having one part fixedrelatively to one of said ends and theother part rotatable relatively tothe other end and to said fixed part thereby to open or closecommunication between said ends, said casing having one or more enlargedchambers and also having a wall between the spaced ends of the pipe.

Signed at 1822 Park Row Building, borough of Manhattan, city and Stateof New York, this 18th day of July, 1916.

IRVING STANLEY.

five cents each, by addressing the Commissioner of Patents, Washington,D. G.

